package com.lmf.config;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
import org.springframework.util.FileCopyUtils;

import java.io.IOException;


@Configuration
public class JwtConfig {
    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter(){
       return new JwtAccessTokenConverter();
    }

    @Bean
    @Qualifier("tokenStore")
    public TokenStore tokenStore(){
        return new JwtTokenStore(jwtAccessTokenConverter());
    }

    public JwtAccessTokenConverter jwtTokenEnhancer() {
        JwtAccessTokenConverter tokenConverter=new JwtAccessTokenConverter();
        Resource resource=new ClassPathResource("public.cert");
        String publicKey;
        try {
            publicKey=new String(FileCopyUtils.copyToByteArray(resource.getInputStream()));
        } catch (IOException e) {
            throw new RuntimeException();
        }
        tokenConverter.setVerifierKey(publicKey);
        return tokenConverter;
    }
}
